All Questions ⁺⁰237779 Questions

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Riddle 24

What arithmetic symbol can we place between 2 and 3 to make a number greater than 2 but less than 3?

history Aug 13, 2023

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SOMEBODY PLS HELP ASAP

Let $f$ be defined by\[f(x) = \left\{ \begin{array}{cl} 3-x & \text{ if } x \leq 3, \\ -x^3+2x^2+3x & \text{ if } x>3. \end{array} \right.\]Calculate $f^{-1}(0)+f^{-1}(6)$.

IMVERYBADATMATHHELP Aug 13, 2023

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HELP PLEASE ASAP

Find constants A and B such that
for all x such that and . Give your answer as the ordered pair (A,B).

Guest Aug 13, 2023

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Help pls Asap

Let f(x) =
How many solutions does the equation f(f(x)) = 4 have?

IMVERYBADATMATHHELP Aug 13, 2023

-2

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equilateral triangle

Find the ratio of the numerical value of the area, in square units, of an equilateral triangle of side length $1$ units to the numerical value of its perimeter, in units. Express your answer as a common fraction in simplest radical form.

sandwich Aug 13, 2023

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perfect squares

Find the number of perfect squares less than $100$ that can be represented as the difference of two consecutive perfect squares.

sandwich Aug 13, 2023

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rate question

It takes Mary $30$ minutes to walk uphill $1$ km from her home to school, but it takes her only $15$ minutes to walk from school to home along the same route. What is her average speed, in km/hr, for the round trip?

sandwich Aug 13, 2023

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lcm calculation

Find the sum of all positive integers $r$ that satisfy $\text{lcm}[r,700] = 700.$

Guest Aug 13, 2023

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70

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+1348

relatively prime

Find the smallest positive integer $k$ such that, for every positive integer $n$, $6n+k$ is relatively prime to each of $6n+5$, $6n+4$, $6n+3$, $6n+2$, and $6n+1$.

sandwich Aug 13, 2023

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Announcement to the Forum

THE FUCKING A*S MODERATORS ARE FINALLY GONE! DOWN WITH THE HOMEWORK CHEATERS! DOWN WITH HISTORY AND PLAINTAINMOUNTAIN! SLAY THE ENABLERS!

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Guest Aug 13, 2023

Aug 12, 2023

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Range

Find the range of the function $$f(x) = \frac{1}{1-x} + \frac{1}{1 + x}.$$ Express your answer in interval notation.

sandwich Aug 12, 2023

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HELP!

Simplify $$\frac{1}{\sqrt[3]{2}+\sqrt[3]{16}}$$.

CPhill ●●●●

invalid Aug 12, 2023

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system question

Let a, b, and c be positive numbers satisfying
a^2*b = 1
b^2*c = 2
c^2*a = 3 read more ..

Guest Aug 12, 2023

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How many linear functions (functions of the form $f(x)=ax+b$) are equal to their own inverse? Answer with a non-negative integer or with 'in

How many linear functions (functions of the form ) are equal to their own inverse? Answer with a non-negative integer or with "inf" for "infinitely many."

Guest Aug 12, 2023

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Modulo numbers

Let $m$ be a positive integer with the following properties:
$9$ is not its own inverse modulo $m$
$4$ is its own inverse modulo $m$
How many possible values for $m$ are there?

Guest Aug 12, 2023

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help me pls thx

There exists a circle C with radius 5, passing through the point (3,2), such that the center of C lies on the line x=7 and has positive y-coordinate. C is the graph of the equation x^2 + ax + y^2 + by + c = 0, where a,b,c, are integers (not necessarily read more ..

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Guest Aug 12, 2023

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help pls fast

Line L, given by the graph of y = 5x + 6, intersects the graph of y = x² at two points P = (a, b) and Q = (c,d), such that a < c. What is the y-intercept of the line perpendicular to L passing through P?

Guest Aug 12, 2023

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help graph functions

The graph of function is shown above. Find the value of g(x-5)=3.

Guest Aug 12, 2023

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geography

-2 - (-3) = (?)

Guest Aug 12, 2023

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coordinates

Let $A,$ $B,$ $C,$ and $D$ be four distinct, collinear points in the Cartesian plane. The point $C$ is such that $\dfrac{AB}{CB} = \dfrac{1}{3}$ and the point $D$ is such that $\dfrac{DA}{BA} = 2$ and $\dfrac{DB}{BA} = 3.$ If $C = (0, 4),$ $D = (4, 0),$ read more ..

sandwich Aug 12, 2023

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perpendicular bisector

Let $A = (24, 7)$ and $B = (3, 4)$, and let line $p$ be the perpendicular bisector of line segment $\overline{AB}$. Given that $AB$ meets $p$ at $C = (x, y),$ what is the slope of line $p$?

sandwich Aug 12, 2023

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